More jobs:
HVAC Technician III
Job in
Ashburn, Loudoun County, Virginia, 22011, USA
Listed on 2026-10-28
Listing for:
Reliant Critical Infrastructure
Full Time
position Listed on 2026-10-28
Job specializations:
-
Trades / Skilled Labor
HVAC Tech / Heating Engineer, Maintenance Technician / Mechanic, Installation Technician, Field/Service Technician
Job Description & How to Apply Below
As an HVAC Technician III, you will serve as the lead technician for mission-critical mechanical services and maintenance under contract, supporting data center mechanical equipment. This role combines hands-on troubleshooting and repair with technical leadership, mentoring other technicians, and monitoring compliance with contractual commitments. You will provide expertise in equipment installation, service, maintenance, and operation.
Responsibilities- Independently perform preventive maintenance, diagnose problems, and complete routine and emergency repairs on commercial HVAC equipment.
- Service air- and water-cooled reciprocating chillers, centrifugal and screw package chillers, cooling towers, natural gas boilers, unit heaters, and electric duct heaters.
- Maintain HVAC air distribution systems, including air handling units, fan coil units, fans, and associated equipment, as well as HVAC water pumps.
- Troubleshoot and service pneumatic controls, direct digital controls (DDC), and variable frequency drives (VFDs).
- Maintain, upgrade, and back up building automation software as required.
- Lead, supervise, and train less-experienced technicians while continuing to develop technical knowledge.
- Monitor mechanical services and maintenance for compliance with contractual commitments.
- Participate in on-call assignments, maintain regular and reliable attendance, and perform other duties assigned by the supervisor.
- High school diploma or GED and successful completion of a basic air conditioning theory course.
- At least 7 years of large commercial HVAC service experience; 8 years preferred.
- Ability to independently maintain, troubleshoot, and repair HVAC equipment using appropriate diagnostic tools and instruments.
- Experience with DDC, pneumatic controls, and variable frequency drives.
- Ability to provide technical guidance and train other technicians.
- Proficiency in Microsoft Office or related software.
- OSHA certification.
- Valid Virginia or Maryland driver’s license.
- Completion of required client training.
- EPA Universal Certification and a Virginia Journeyman HVAC license are preferred.
- U.S. citizenship and ability to obtain a security clearance are preferred.
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